$ git clone -n https://gitee.com/fundawang/groff.git /var/lib/mock/dist-an23-build-284528-64755/root/chroot_tmpdir/scmroot/groff
Cloning into '/var/lib/mock/dist-an23-build-284528-64755/root/chroot_tmpdir/scmroot/groff'...
$ git fetch origin 2e34f798da37c971d6ecf3f28150a9c54bfb337e:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/groff
 * [new ref]         2e34f798da37c971d6ecf3f28150a9c54bfb337e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e34f79 update file list